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Our iSeries hybrid mattresses combine the same memory foam innovations found in our all-foam iComfort® Sleep System with the support of an advanced innerspring. This unique construction works to provide intelligent cradling and cooling comfort at the sleep surface with deep individual support for each sleep partner. iSeries features our breakthrough Cool Action™ Dual Effects® Gel Memory Foam. This is the world’s first material to infuse both our MicroSupport® and MicroCool+™ gels into premium memory foam for an extremely comfortable and supportive sleep surface, while helping to reduce the heat build-up that can be associated with memory foam mattresses. Plus, our exclusive Duet® Coil Individually Wrapped Coil-in-Coil Support System features strategically placed Duet® Coils that properly balance comfort and support across the entire sleep surface, regardless of body type.
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  • Too much pressure build-up while you sleep can cause disruptive tossing and turning. Serta's Cool Action™ Dual Effects® material is uniquely designed to help reduce average body pressure while you sleep, which can help reduce tossing and turning for a deeper more restful sleep.
  • Serta's Cool Action™ Dual Effects® material combines an open-cell structure and our exclusive MicroCool+ gel to significantly increase airflow and the ability to dissipate heat.
  • Designed with insight from the National Sleep Foundation